| Huelva to Cernavoda | 1,878.70 mi (3,023.47 km) |
| Huelva to Chitila | 1,778.48 mi (2,862.18 km) |
| Huelva to Cisnadie | 1,699.86 mi (2,735.66 km) |
| Huelva to Cluj-Napoca | 1,686.38 mi (2,713.96 km) |
| Huelva to Codlea | 1,761.42 mi (2,834.73 km) |
| Huelva to Comanesti | 1,816.28 mi (2,923.03 km) |
| Huelva to Comarnic | 1,766.75 mi (2,843.30 km) |
| Huelva to Constanta | 1,907.84 mi (3,070.37 km) |
| Huelva to Corabia | 1,701.27 mi (2,737.92 km) |
| Huelva to Costesti | 1,725.57 mi (2,777.04 km) |
| Huelva to Covasna | 1,798.23 mi (2,893.97 km) |
| Huelva to Craiova | 1,670.96 mi (2,689.16 km) |
| Huelva to Cristuru Secuiesc | 1,748.16 mi (2,813.40 km) |
| Huelva to Cugir | 1,663.95 mi (2,677.86 km) |
| Huelva to Cumpana | 1,903.86 mi (3,063.97 km) |
